Help Center/GaussDB/Developer Guide(Distributed_V2.0-2.x)/System Catalogs and System Views/System Views/PGXC_COMM_RECV_STREAM
Updated on 2025-08-19 GMT+08:00
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PGXC_COMM_RECV_STREAM

PGXC_COMM_RECV_STREAM displays the receiving stream status of the communication libraries for all the DNs.

Table 1 PGXC_COMM_RECV_STREAM columns

Name

Type

Description

node_name

text

Node name

local_tid

bigint

ID of the thread using this stream

remote_name

text

Peer node name

remote_tid

bigint

Peer thread ID

idx

integer

Peer DN ID in the local DN

sid

integer

Stream ID in the physical connection

tcp_sock

integer

TCP socket used in the stream

state

text

Status of the stream

  • UNKNOWN: The logical connection status is unknown.
  • READY: The logical connection is ready.
  • RUN: The logical connection sends packets normally.
  • HOLD: The logical connection is waiting to send packets.
  • CLOSED: The logical connection is closed.
  • TO_CLOSED: The logical connection will be closed.

query_id

bigint

debug_query_id corresponding to the stream

pn_id

integer

plan_node_id of the query executed by the stream

send_smp

integer

smpid of the sender of the query executed by the stream

recv_smp

integer

smpid of the receiver of the query executed by the stream

recv_bytes

bigint

Total data volume received from the stream, in byte

time

bigint

Current lifecycle service duration of the stream, in ms

speed

bigint

Average receiving rate of the stream, in byte/s

quota

bigint

Current communication quota value of the stream, in byte

buff_usize

bigint

Current size of the data cache of the stream, in byte

Parent topic:System Views